As one of the Federation's primary law enforcement organizations, the Federation Security Agency operated a fleet of interceptors crewed by officers empowered to enforce Federation law in its territory. In 2384, one of its interceptors, the Sirriam, was destroyed by the Breen Militia during a routine patrol of the Komatsu sector. (TNG - Cold Equationsnovel: Silent Weapons)

In this capacity, FSA collected and correlated political, military and social information on foreign governments. These specialists typically acted in information processing roles, they were also known to have performed counter-intelligence duties. (FASA RPGmodule: The Federation)